fixed postcode lookups

lib/validationData.php

@@ -22,6 +22,7 @@ function lookup_postcode($postcode = "")
         curl_setopt($req, CURLOPT_REFERER, $referer);
         curl_setopt($req, CURLOPT_RETURNTRANSFER, true);
         curl_setopt($req, CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($req, CURLOPT_SSLVERSION, 3);
         $page = curl_exec($req);
         curl_close($req);